Use absolute path in entrypoint command

Dockerfile

@@ -3,5 +3,5 @@ WORKDIR /google-play-uploader
 COPY requirements.txt .
 RUN pip install -r requirements.txt && rm requirements.txt
 COPY upload.py .
-ENTRYPOINT [ "python", "./upload.py" ]
+ENTRYPOINT [ "python", "/google-play-uploader/upload.py" ]
 CMD [ "--help" ]

README.md

@@ -5,8 +5,24 @@ A script for uploading Android App Bundles to Google Play Store.
 ## Usage
 
 ```sh
-python3 upload.py \
+$ python3 upload.py \
     --package-name 'com.example.myapp' \
     --key-path '/path/to/service/account/key/file' \
     --aab-path '/path/to/aab/file'
 ```
+
+## Docker image
+
+Docker image is available at [ghcr.io](https://ghcr.io/italankin/google-play-aab-uploader).
+
+### Run in docker
+
+```sh
+$ docker run --rm -it \
+    -v "$(pwd)/com.example.myapp.aab":'/data/bundle.aab' \
+    -v "$(pwd)/service-account-key.json":'/data/key.json' \
+    ghcr.io/italankin/google-play-aab-uploader \
+    --package-name 'com.example.myapp' \
+    --key-path '/data/key.json' \
+    --aab-path '/data/bundle.aab'
+```